UPDATE 1-Tennis-Australian Open men's singles quarterfinal results

Jan 23 (Infostrada Sports) - Results from the Australian Open Men's Singles Quarterfinal matches on Wednesday 2-Roger Federer (Switzerland) beat 7-Jo-Wilfried Tsonga (France) 7-6(4) 4-6 7-6(4) 3-6 6-3 3-Andy Murray (Britain) beat Jeremy Chardy (France) 6-4 6-1 6-2